//?TI?File?$Revision:?/main/4?$
//?Checkin?$Date:?July?30?2007???14:15:53?$
//###########################################################################
//
//?FILE:	DSP2833x_Adc.c
//
//?title:	DSP2833x?ADC?Initialization?&?Support?Functions.
//
//###########################################################################
//?$TI?Release:?DSP2833x?Header?Files?V1.01?$
//?$Release?Date:?September?26?2007?$
//###########################################################################

#include?“..\INCLUDE\DSP2833x_Device.h“?????//?DSP2833x?Headerfile?Include?File
#include?“..\INCLUDE\DSP2833x_Examples.h“???//?DSP2833x?Examples?Include?File

#define?ADC_usDELAY??5000L
#define?ADC_CKPS???0xf???//?ADC?module?clock?=?HSPCLK/（15*2）??=?2.5MHz
#define?ADC_SHCLK??0x4???//?S/H?width?in?ADC?module?periods???=?5?ADC?cycle（1路ADC頻率為2.5MHz/6=416KHz）

//#define?CPU_CLK???150e6
#define?TIM_CLK???375e5?//定時器時鐘四分頻
#define?PWM_HZ????2000?//頻率?HZ
#define?SP????????TIM_CLK/PWM_HZ/2?//
//#define?SP????????3750//一個周期記錄個數
#define?DR????????50//占空比
//實際采樣為8路，采用并發采樣，則頻率為（2.5MHz/5/4=125KHz）
//---------------------------------------------------------------------------
//?InitAdc:
//---------------------------------------------------------------------------
//?This?function?initializes?ADC?to?a?known?state.
//
void?InitAdc（void）
{
????extern?void?DSP28x_usDelay（Uint32?Count）;


????//?*IMPORTANT*
	//?The?ADC_cal?function?which??copies?the?ADC?calibration?values?from?TI?reserved
	//?OTP?into?the?ADCREFSEL?and?ADCOFFTRIM?registers?occurs?automatically?in?the
	//?Boot?ROM.?If?the?boot?ROM?code?is?bypassed?during?the?debug?process?the
	//?following?function?MUST?be?called?for?the?ADC?to?function?according
	//?to?specification.?The?clocks?to?the?ADC?MUST?be?enabled?before?calling?this
	//?function.
	//?See?the?device?data?manual?and/or?the?ADC?Reference
	//?Manual?for?more?information.

	????EALLOW;
		SysCtrlRegs.PCLKCR0.bit.ADCENCLK?=?1;//使能ADC時鐘?HSPCLK輸入ADC模塊
		ADC_cal（）;
		EDIS;




????//?To?powerup?the?ADC?the?ADCENCLK?bit?should?be?set?first?to?enable
????//?clocks?followed?by?powering?up?the?bandgap?reference?circuitry?and?ADC?core.
????//?Before?the?first?conversion?is?performed?a?5ms?delay?must?be?observed
	//?after?power?up?to?give?all?analog?circuits?time?to?power?up?and?settle

????//?Please?note?that?for?the?delay?function?below?to?operate?correctly?the
	//?CPU_CLOCK_SPEED?define?statement?in?the?DSP2833x_Examples.h?file?must
	//?contain?the?correct?CPU?clock?period?in?nanoseconds.
????//ADCClock=HSPCLK/ADCTRL3（ADCCLKPS）/（ADCTRL1[7]（CPS）+1）
	//HSPCLK=75MHz
????AdcRegs.ADCTRL3.all?=?0x00E0;??//?Power?up?bandgap/reference/ADC?circuits?上電，ADCTRL3（ADCCLKPS）=0未分頻??
????DELAY_US（ADC_usDELAY）;?????????//?Delay?before?converting?ADC?channels

	AdcRegs.ADCTRL1.bit.ACQ_PS?=?ADC_SHCLK;??//?采集窗口大小（ACQ_PS+1）個ADCLK周期數
	AdcRegs.ADCTRL3.bit.ADCCLKPS?=?ADC_CKPS;//ADC內核時鐘分頻器?ADC?module?clock?=?HSPCLK（75MHz）/30=?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????135??2014-11-24?11:31??x_Dsp28335_Template\cc_build_Debug.log

?????文件???????3947??2014-11-24?11:31??x_Dsp28335_Template\CMD\28335_RAM_lnk.cmd

?????文件???????8438??2014-11-24?11:31??x_Dsp28335_Template\CMD\DSP2833x_Headers_nonBIOS.cmd

?????文件???????4855??2014-11-24?11:31??x_Dsp28335_Template\CMD\F28335.cmd

?????文件???????7218??2014-11-24?12:17??x_Dsp28335_Template\Debug\39VF1601.obj

?????文件?????120734??2014-11-24?11:31??x_Dsp28335_Template\Debug\AD.obj

?????文件??????10609??2014-11-24?12:17??x_Dsp28335_Template\Debug\Butterworth_IIR.obj

?????文件??????30365??2014-11-24?12:17??x_Dsp28335_Template\Debug\Can.obj

?????文件??????41872??2014-11-24?12:17??x_Dsp28335_Template\Debug\Can_Read.obj

?????文件?????116837??2014-11-24?11:31??x_Dsp28335_Template\Debug\Cap_Init.obj

?????文件?????113299??2014-11-24?11:31??x_Dsp28335_Template\Debug\CKalmanFilter.obj

?????文件???????8595??2014-11-24?12:17??x_Dsp28335_Template\Debug\DA_Out.obj

?????文件???????1407??2014-11-24?13:20??x_Dsp28335_Template\Debug\DSP2833x_ADC_cal.obj

?????文件???????1725??2014-11-24?13:20??x_Dsp28335_Template\Debug\DSP2833x_CodeStartBranch.obj

?????文件???????6098??2014-11-24?13:20??x_Dsp28335_Template\Debug\DSP2833x_CpuTimers.obj

?????文件??????34973??2014-11-24?13:20??x_Dsp28335_Template\Debug\DSP2833x_DefaultIsr.obj

?????文件?????121501??2014-11-24?13:20??x_Dsp28335_Template\Debug\DSP2833x_GlobalVariableDefs.obj

?????文件???????6053??2014-11-24?13:20??x_Dsp28335_Template\Debug\DSP2833x_PieCtrl.obj

?????文件??????17931??2014-11-24?13:20??x_Dsp28335_Template\Debug\DSP2833x_PieVect.obj

?????文件??????16567??2014-11-24?13:20??x_Dsp28335_Template\Debug\DSP2833x_SysCtrl.obj

?????文件???????1416??2014-11-24?13:20??x_Dsp28335_Template\Debug\DSP2833x_usDelay.obj

?????文件??????16341??2014-11-24?13:20??x_Dsp28335_Template\Debug\DSP2833x_Xintf.obj

?????文件?????112350??2014-11-24?11:31??x_Dsp28335_Template\Debug\EPwm.obj

?????文件??????28756??2014-11-24?13:20??x_Dsp28335_Template\Debug\Gotten_DA_AD.map

?????文件?????133057??2014-11-24?13:20??x_Dsp28335_Template\Debug\Gotten_DA_AD.out

?????文件??????43415??2014-11-24?12:19??x_Dsp28335_Template\Debug\Init.obj

?????文件??????10536??2014-11-24?12:17??x_Dsp28335_Template\Debug\Kalman.obj

?????文件??????13668??2014-11-24?13:20??x_Dsp28335_Template\Debug\main.obj

?????文件???????4432??2014-11-24?12:17??x_Dsp28335_Template\Debug\PID.obj

?????文件??????17210??2014-11-24?12:17??x_Dsp28335_Template\Debug\SCI.obj

............此處省略88個文件信息